MATHEMATICS COLLEGE

Use the graphs shown in the figure below. All have the form f(x) = abx Which graph has the smallest value for b?

A
B
C
D
E
F
Use the graphs shown in the figure below. All have - 1

Answers

Answer 1
Answer: The graph of c has the smallest value for b because it is the steepest down.

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Assume that females have pulse rates that are normally distributed with a mean of 74.0 beats per minute and a standard deviation of 12.5 beats per minutes. If 16 adult female is randomly selected, find the probability that her pulse rate is less than 80 beats per minute.

Answers

Answer: 0.9726

Step-by-step explanation:

Given :  Females have pulse rates that are normally distributed with a mean of 74.0 beats per minute and a standard deviation of 12.5 beats per minutes.

i.e. \mu=74 and \sigma=12.5

Let x is a random variable to represent the pulse rates.

Formula : z=(x-\mu)/((\sigma)/(√(n)))

For n= 16 , the probability that her pulse rate is less than 80 beats per minute will be :-

P(x<80)=P((x-\mu)/((\sigma)/(√(n)))<(80-74)/((12.5)/(√(16))))\n\n=P(z<(6)/((12.5)/(4)))\n\n=P(z<(24)/(12.5))\n\n=P(z<1.92)=0.9726\ \ [\text{By using z-table.}]

Hence, the required probability = 0.9726

Final answer:

The probability that a randomly selected female's pulse rate is less than 80 beats per minute, given a mean pulse rate of 74.0 and standard deviation of 12.5 beats per minute, is approximately 0.6844, or 68.44%.

Explanation:

This question pertains to the topic of normal distribution in statistics. We know that the average or mean pulse rate for females is 74.0 beats per minute, with a standard deviation of 12.5 beats per minute. We also know that the pulse rate we want to find the probability for is less than 80 beats per minute.

In these situations, we use the formula for the z-score, which is Z = (X - μ) / σ, where X is the value, we're interested in, μ is the mean, and σ is the standard deviation.

Using this formula, we find Z = (80 - 74) / 12.5 = 0.48. After finding the z-score, we can look at the standard normal distribution table to get the probability. The value for Z = 0.48 on the Z table is approximately 0.6844. Therefore, the probability that a randomly selected female's pulse rate is less than 80 beats per minute is approximately 0.6844, or 68.44%.

Learn more about Normal Distribution here:

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The taxes on a house assessed at $78,000 are $1950 a year. If the assessment is raised to $93,000 and the tax rate did not change, how much would the taxesbe now?

Answers

Answer:

i dont do taxes

Step-by-step explanation:

+ AlpQLScihp oans IbEmC-HAVOXMXB3Betzzi9sI8550WzDcwaron have a spinner divided into 8 equal sections. Each section is bered with a number 1 through 8. Salma is going to spin the spinner 1600 times. Theoretically, how many times should she land on a 1, 2, 3​

Answers

Answer:

Salma should land her spinner on a 1, 2 or 3 about 600 times.

Step-by-step explanation:

Since Salma has a spinner divided into 8 equal sections, and each section is bered with a number 1 through 8, and Salma is going to spin the spinner 1600 times, to determine, theoretically, how many times should she land on a 1, 2, 3 the following calculations must be performed:

8 = 100

3 = X

3 x 100/8 = X

300/8 = X

37.5 = X

100 = 1600

37.5 = X

37.5 x 1600/100 = X

60000/100 = X

600 = X

Therefore, Salma should land her spinner on a 1, 2 or 3 about 600 times.

Which fractions are equivalent to the fraction below? Check all that apply.
3/4 ??

Answers

Answer:

hi there !

The answer is "30/40"

because by dividing each nominator and denominator by "10" it gives 3/4

What is the sum of the measures of the interior angles of the stop sign?

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Answer:

Sum of Interior Angles = (Number of Sides -2) • 180 degrees

Sum of Interior Angles = (8 -2) * 180 = 1,080

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